629results about How to "Easy to assemble" patented technology

The invention provides an electric pressure cooker. The electric pressure cooker comprises an inner cover, a turntable with an annular side wall and a bottom wall, a cooker cover and a rotary handle assembly, wherein a mounting hole is formed in the middle of the inner cover; the turntable is mounted in the mounting hole, and can rotate around the axis of the mounting hole, and the lower end of the turntable is matched with the cooker cover so that the cooker cover rotates together with the turntable; the cooker cover is positioned below the inner cover, and is rotatably mounted on the inner cover; the rotary handle assembly is positioned above the inner cover, rotatably mounted on the inner cover, and positioned beside the mounting hole. The electric pressure cooker provided by the invention is simple in structure and convenient to assemble, and the production efficiency of the electric pressure cooker is well promoted; the rotary handle assembly is positioned in the middle of the cooker cover and arranged eccentrically, and a user can complete the operations of opening and closing the cooker cover by enabling the rotary handle assembly to rotate by a small angle, therefore, the operability is obvious, the drive dead angle does not exist, and the use performance is good.

The invention discloses a novel ceiling mounting structure. The novel ceiling mounting structure comprises a main runner, hanging parts, connection parts, auxiliary runners and ceiling boards. One end of each hanging part is fixed to a hanging rod through a hanging rod connector while the other end of each hanging part is fixed to the main runner through a main runner connector, and each connection part is connected with the main runner through an elbow structure formed on one side of the corresponding connection part. Two sides of the 'I'-shaped top of each auxiliary runner can be held in an insert groove structure to be connected with the corresponding connection part, and two sides of the 'I'-shaped lower portion of each auxiliary runner are fittingly connected with groove structures on the lateral surface of the corresponding ceiling board respectively. Compared with a traditional screw fixing manner, the novel ceiling mounting structure has the advantages of convenience and quickness in assembly, convenience in disassembly and the like due to inserted connection and fixation of the runner and the groove structures formed on the lateral surface of the ceiling board; in addition, surfaces of the ceiling board are undamaged in mounting.

The invention relates to a standard Bailey truss assembling type jacking formwork system. The standard Bailey truss assembling type jacking formwork system is characterized in that the standard Bailey truss assembling type jacking formwork system is mainly composed of a truss platform system, a hanging system and a power supporting and jacking system, the power supporting and jacking system is fixedly supported by a core tube wall, the upper portion of the power supporting and jacking system is connected with the truss platform system through lattice supporting steel columns, the hanging system is hung on the truss platform system, the truss platform system is mainly composed of a plurality of standard Bailey trusses, the standard Bailey trusses are mutually connected to form main trusses and secondary trusses, the main trusses are connected longitudinally and transversely through Bailey truss connecting pieces to form a main framework, the Bailey trusses are connected on the periphery of the main framework to form a rectangular peripheral framework, and the Bailey truss connecting pieces are connected with the upper ends of the lattice supporting steel columns. According to the standard Bailey truss assembling type jacking formwork system, the system is composed of the standard Bailey trusses, construction and assembly are fast and convenient, repeated utilization is available, and the adaptability is high.

The invention discloses an aluminum alloy full-monocoque vehicle body which comprises a head, an underbody, a tail and a vehicle body top portion. The head, the underbody, the tail and the vehicle body top portion are fixedly connected with one another to form the complete aluminum alloy full-monocoque vehicle body. The head comprises a front crossbeam, a front upright column of a frame of an engine bin, longitudinal beams of the frame of the engine bin, a radiator beam and a front suspension system mounting seat, and the front crossbeam, the front upright column of the frame of the engine bin, the longitudinal beams of the frame of the engine bin, the radiator beam and the front suspension system mounting seat are fixedly connected with one another; the underbody comprises underbody crossbeams, lower edge beams, floors, front mudguards and underbody longitudinal beams which are fixedly connected with one another; the tail comprises lower crossbeams of a rear air window frame, a rear-end panel, rear wing panels, rear wheel covers, side beams of a frame of a trunk, side beams of the rear air window frame, upright columns of the trunk and rear suspension system mounting seats, and the lower crossbeams of the rear air window frame, the rear-end panel, the rear wing panels, the rear wheel covers, the side beams of the frame of the trunk, the side beams of the rear air window frame, the upright columns of the trunk and the rear suspension system mounting seats are fixedly connected with one another. The aluminum alloy full-monocoque vehicle body has functions of a vehicle frame and functions of a common vehicle body, and has the advantages of light weight and complete functions.

The invention discloses an electric connector and an assembling method thereof. The electric connector comprises a shielding shell, a terminal module, a metal connecting shell and an insulating casing. During assembly, the terminal module is arranged in the insulating casing, the insulating casing is embedded into the metal connecting shell, the shielding shell is coated outside the terminal module and the metal connecting shell, so that the terminal module is well shielded and the grounding connection with the metal connecting shell is effectively realized; and the front end part of the metal connecting shell is exposed outside the shielding shell to form a splicing part. The electric connector has an extremely compact structure, is very convenient to assemble, and is very suitable for manufacturing micro electric connectors; and secondly, a reinforced sheet is sandwiched between a first terminal module and a second terminal module, so that the overall structural intensity of the terminal module is greatly improved, the product quality of the electric connector is improved, the service life of the electric connector is prolonged, the mold molding process is simplified, the mold molding cost is saved, and assembly is performed conveniently and rapidly.

The invention relates to a combined type multi-tooth stator iron hybrid field switch flux motor which is characterized by comprising a stator core tooth module, a stator core yoke module, a rotor core, an armature winding, magnetic steel, a field winding and the like. The stator core tooth module is of a multi-tooth structure; the magnetic steel, the field winding and the armature winding are arranged on the stator core tooth module; the stator core tooth module and the stator core yoke module are in sequential combined arrangement along the circumference direction to form a switch flux motor stator; a switch flux motor rotor is only provided with a rotor iron core. The multi-tooth type structure can reduce output torque pulse of the motor; by controlling the direction and the amplitude of the input current of the field winding, motor overload and flux weakening raising speed can be adjusted; a cooling liquid circulation system is arranged to perform uniform cooling and heat radiation on the motor, so that the stability and robustness of the motor are improved, and the combined type multi-tooth stator iron hybrid field switch flux motor has obvious advantages when being applied to the field of servo direct driving of electromechanical devices.

The invention relates to the technical field of assembled type steel structures, in particular to a steel structure assembled type building component and a steel structure assembled type building. The steel structure assembled type building component comprises a prefabricated plate and an I-shaped steel connecting plate connected with one side of the prefabricated plate in a clamped mode. The side, connected with the I-shaped steel connecting plate in the clamped mode, of the prefabricated plate is provided with at least one first clamping groove and at least one first convex block, and the first clamping grooves and the first convex blocks extend in the length direction of the prefabricated plate. The other side of the prefabricated plate is provided with second convex blocks capable of being connected with the first clamping grooves in a clamped mode, and second clamping grooves capable of being connected with the first convex blocks in a clamped mode. The I-shaped steel connecting plate is provided with clamping-connection holes which correspond to the first convex blocks and the second convex blocks. The steel structure assembled type building component provided by the invention has the advantages that the structure is simple, assembly is convenient, and the structure stability of the building obtained through assembly is high. The invention further provides the steel structure assembled type building comprising the steel structure assembled type building component.

At least three electrode chambers with positive and negative electrodes being alternated are set up in the flow channel in the pump body. The honeycomb core is set up between every two electrode-chambers. Each electrode-chamber through the electric conductor is connected to the electrical power. The electrolyte solution is filled into the electrode-chamber. The pump body can be in the structure of the assembled type, the concatenation or chip type. Flow channel can be tube type, the canal or the chip micro channel. The invention possesses the features of easy of assembly, fast response, low voltage driving, wide range of flux and long service life etc. The pump can be utilized as the fluid-driving pump in the injection system applying to the areas of chemical engineering, biomedicine and environmental monitoring.

The invention relates to an optical fiber plug. The optical fiber plug comprises a front housing and a rear housing, and is characterized in that the front housing and the rear housing are detachably connected, a buckling arm which is used for being buckled with an optical fiber adapter is movably connected on the rear housing, and an elastic element is arranged between the buckling arm and the rear housing. According to the optical fiber plug disclosed by the invention, the front housing is detachably connected with the rear housing, and optical fiber connection is convenient in assembly and convenient for production and manufacturing; and the buckling arm which is buckled with the adapter is movably connected on the rear housing so as to facilitate connection and matching between the optical fiber plug and the adapter.

The invention relates to a clutch arrangement having a component (4) which is fixed to a housing, having a piston (1) which is arranged so as to be rotatable about a rotational axis (Omega) relative to the component (4) which is fixed to the housing, having a hollow cylindrical or annular chamber (15) which surrounds the piston (1) at its end-side region, and having a line arrangement (5) which, for conducting a pressure medium for actuating the piston, leads to the chamber (15) through the component (4) which is fixed to the housing, wherein the chamber (15) is formed as a constituent part ofthe component (4) which is fixed to the housing and which forms a cylinder, and wherein the piston (1) is arranged in the chamber (15) so as to be rotatable.

The invention provides a cell robot. The cell robot is formed by adopting spherical cell robot single bodies, wherein a shell of each spherical cell robot single body comprises an upper hemisphere and a lower hemisphere with the same shape; , the bottom surfaces of the two hemispheres of each spherical cell robot single body are assembled in a coinciding manner, and the centrosymmetric axes are mutually coincided; four connecting surfaces are uniformly arranged in the peripheral direction of each hemisphere. A sphere formed by the two hemispheres of each spherical cell robot single body is cut by two identical regular octahedrons formed by regular square pyramids with equal side edge length and bottom-surface edge length; each side surface of the regular octahedron and the sphere are cut to obtain one connecting surface. A connecting device is arranged on the connecting surface, and forward and backward connection modes between the two connecting surfaces are realized. Eight connecting surfaces of each single body can be connected with any connecting surface of the other cell robot single bodies, so that the plurality of cell robot single bodies form a variety of cell robots which can finish different tasks of assembling, welding and the like in different environments such as earthquake relief work, underground operation and space exploration.

The invention discloses a multi-head fan, and belongs to the technical field of fans. The fan comprises a base, a body arranged on the base, a head mounted on the top of the body. The fan is characterized in that the head is provided with at least two heads thereon. The fan with a plurality of the heads circularly arranged can realize 360-degree air supply, and has functions of humidifying and heating. A protective cover is designed to facilitate assembly, and a humidifying device and a oscillating mechanism have compact structure, and can be easily arranged in the body.

The invention discloses a heat exchanger structure, which comprises an inlet collecting pipe, an outlet collecting pipe, fins, a flat pipe and gaskets, wherein the fins are provided with pipeline grooves, and the inside diameter of the gaskets is smaller than the thickness of the flat pipe. The invention also discloses an assembly method for the heat exchanger structure, which comprises the following steps of: (1) heating the gasket; (2) correspondingly arranging the fins and the gaskets on a bearing table layer by layer; (3) sequentially inserting the flat pipe into the fins and the gaskets so that the flat pipe can pass through the radiating gaskets to form clearance fit; (4) pushing a pressing table by using pressing equipment to press the fins and the gaskets so that the fins and the gaskets are tightly jointed; and (5) keeping constant pressure, blowing cool air to the gaskets, and cooling the gaskets to normal temperature so that the gaskets and the flat pipe form clearance fit and fixed connection of the fins and the flat pipe is completed. The structure is easy to assemble; the contact area of the fins and the radiating gaskets is original four times, so the radiating efficiency of a radiator is promoted; and due to a fixed mode, soldering is avoided, a solder is saved, and the cost is reduced.

The invention provides a flight control assembly. The flight control assembly comprises a flight control board, and further comprises damping structures connected to the flight control assembly; the flight control assembly is connected with a supporting body through the damping structures; the damping structures are used for damping vibration of the flight control assembly from the supporting body to realize overall damping of the flight control assembly. The invention further relates to an unmanned aerial vehicle employing the flight control assembly.

A cover plate assembly including a cover plate (15), an insulation element (11), an explosion-proof diaphragm (8), a pulling plate(5) and an assembling base (17), in which a chamber(28) communicated from upside to downside is provided on the assembling base (17), the cover plate(15) and the explosion-proof diaphragm(8) are insulated and fixed hermetcally inside the chamber(28) by the insulation element(11), and the cover plate(15) and the explosion-proof membrane(8) are connected electrically each other to form a decompression room(13),and the explosion-proof diaphragm(8) is electrically connected to the pulling plate (5) beneath thereof which is supported against on the assembling base (17) and is insulated from the assembling base (17) via the insulation element (11), so that the explosion-proof diaphragm(8) is broken and disconnect to the pulling plate(5) when the press applied to it is higher than a setting value. A battery using the above stated explosion-proof cover plate assembly is provided.

The invention provides a mounting structure for a power battery pack of an electric automobile. The battery pack is rectangular, has a step shape with one higher end and the other lower end and is arranged below an automobile chassis; the higher end of the battery pack is arranged in a high space below a rear-seat bottom board; the lower end of the battery pack is arranged below a front-seat cab bottom board; an air inlet longitudinally formed in the middle of the lower end of the battery pack is positioned below a central pipeline; and two exhaust fans which are transversely arranged at the higher end of the battery pack are correspondingly arranged below the rear seat. The battery pack is positioned between a body transverse beam and a body longitudinal beam; lugs are respectively arranged on two longer sides and two shorter sides of the battery pack; and lug connecting blocks are respectively arranged on the body transverse beam and the body longitudinal beam correspondingly and are fastened and assembled through bolts so as to fix the battery pack on the automobile body. On one hand, the structure solves the problem of the contradiction between volume requirement and the arrangement space of the power battery and the contradiction between the large complete-automobile modification and reduction of man-machine comfort; on the other hand, the structure meets the requirement of the battery on complete automobile collision safety.

The invention relates to the field of gas turbine rotors and discloses a wheel disc spigot locating structure of the gas turbine rotor and the gas turbine rotor. Two wheel discs are axially overlapped, axial bumps are arranged at the opposite head faces of the two wheel discs, axial grooves are formed in the other head faces, and the outer diameters of the axial bumps are in interference fit with the inner diameters of the axial grooves; each axial bump is provided with an interference amount adjusting nick; the interference amount adjusting nick is a circular ring-shaped nick formed in the axial head face of the axial bump. By means of the wheel disc spigot locating structure, the wheel disc of the rotor can use a small interference magnitude when assembling, the device extrusion stress is reduced, the assembly is facilitated, the requirement on fixture is lowered, the rotor fits tightly under a working state, and the gas turbine rotor integrity is guaranteed.

The invention relates to a device, in particular to a packing-off piece installation device of turbine stator blades and a use method of the packing-off piece installation device. According to the technical scheme, the packing-off piece installation device comprises an installation plate, an installation edge, first screws, balancing weights, limiting blocks, second screws, fixing bolts and nuts; the installation plate is a semicircular plate and is provided with two end plates and an auxiliary plate on the top of the arc; first installation holes are formed in the semicircular plate, the interval of the first installation holes is the same as the interval of end holes of the two turbine stator blades, and hoisting holes are formed in the end plates and the auxiliary plate; the balancing weights are fixedly arranged on the end plates, and the limiting blocks are arranged on the end plates through the second screws; the installation edge is in a semicircular shape and provided with second installation holes; the installation plate and the installation edge are connected together through the first screws, and the positions of the first installation holes correspond to the positions of the second installation holes; and the fixing bolts and the nuts are used for fixing the turbine stator blades. By means of the packing-off piece installation device, installation of packing-off pieces is achieved under the condition that positioning pins of the turbine stator blades are not decomposed.

The invention discloses a modularized synchronously-designed-and-constructed solar photovoltaic roof, and belongs to the technical field of building houses. The solar photovoltaic roof is characterized in that primary beams and secondary beams are arranged in a perpendicularly-stagger mode to form the courtyard type grillage beam arrangement, the position above a grillage beam is poured with perpendicular concrete thin plates, a window frame is arranged on the periphery of the upper portion of a formwork with the cross section shaped like the Chinese character 'kou', and provided with four to eight screw holes, and a photovoltaic assembly is fixed to a courtyard through the screw holes. The modularized synchronously-designed-and-constructed solar photovoltaic roof is once formed during roof building, and the building cost is saved; southing daylighting and southing drainage are adopted, the photovoltaic installation slope requirements, the fireproof requirement, the waterproof requirement and the like are met, photovoltaics and the building are fused to the maximum degree, and the advantages of photovoltaics and building integration are exploited; the photovoltaic assembly of the roof is easy to assemble, long in service life and high in photoelectricity conversion rate.

The invention relates to a pipette head box automatic-stacking-type storage box and a using method of the storage box. According to the storage box, a multi-layer tray structure is adopted, a driving device is used in cooperation with an electromagnetic push rod to open and close trays in a stacking mode, when pipette heads are sequentially added from the lower layer to the upper layer, the pipette points of the pipette heads of the upper-layer trays stretch into lower-layer pipette head adaptive openings, and pipette head boxes to be used are grabbed from the upper layer to the lower layer in sequence in the opposite direction; each layer is provided with a photoelectric sensor used for detecting whether pipette heads to be used exist in the layer or not, an upper computer controls the trays of the first layer to be operated and the trays of the layers below the first layer to be opened at the same time according to a detection signal, and the pipette head boxes are grabbed or the pipette heads are added on the first layer. A driving plate is limited electrically and mechanically, and therefore multiple limiting protection is provided for the movement of the driving plate. The storage box is particularly suitable for an automatic bioinstrumentation work station where a large number of pipette heads are needed, the movement control over a manipulator for grabbing articles can be simplified, and the stability, the reliability and the working efficiency of an automatic bioinstrumentation work station system can be effectively improved.

The invention discloses a self-locking cable clamp with unlocking mechanisms. The self-locking cable clamp comprises at least one connection cable clamp for fixed connection, wherein each connection cable clamp comprises a cable clamp body, grooves and movable chucks; static chucks are fixedly connected to the cable clamp body; a bolt hole is formed in one side, which is opposite to an opening direction of each groove, of the cable clamp body; an adjustment bolt penetrates through the bolt hole and is fixedly connected with the cable clamp body and is also pressed against the movable chucks; downward stopping check sawteeth are arranged on the side surfaces of the movable chucks; anti-loosening check sawtooth blocks matched with the check sawteeth are arranged on the outer sides of the check sawteeth of the movable chucks; pressure springs are arranged between the anti-loosening check sawtooth blocks and the cable clamp body; the movable chucks and the anti-loosening check sawtooth blocks are pressed tightly through the pressure springs; an unlocking mechanism for enabling the check sawteeth to be separated from the corresponding movable chuck is arranged on one side, which is close to the corresponding pressure spring, of each anti-loosening check sawtooth block. The self-locking cable clamp can realize self-locking, is convenient to assemble, disassemble and unlock and can be reused, and resources are saved.

The invention provides a backlight source of a liquid crystal display. The backlight source can effectively utilize light and avoid using an expensive optical brightening film and has a simple structure and convenient assembly. In order to realize the aim, the backlight source adopts the following technical proposal: the backlight source of the liquid crystal display comprises a light guide plate, light sources, reflecting films, rabbets and a diffusion film; the bottom of the light guide plate is stuck with the reflecting films and is provided with a plurality of the rabbets; the light sources are arranged in the rabbets; the top parts of the rabbets are provided with the notch reflecting films; and the top part of the light guide plate is provided with the diffusion film. The technical proposal improves the utilization efficiency of light, greatly reduces energy consumption of LCD, reduces the whole thickness of a backlight source module in order that a high-brightness thin backlight source becomes possible and further reduces the width of the front edge of the backlight module.

The invention relates to the technical field of screen glue dispensing, in particular to tablet computer screen glue dispensing pasting equipment. The tablet computer screen glue dispensing pasting equipment comprises a machine frame, a feeding slide table, a discharging slide table, a glue dispensing mechanism and a mechanical hand, wherein the feeding slide table and the discharging slide tableare respectively arranged at two sides of the machine frame; the glue dispensing mechanism is arranged on the machine frame and is used for performing glue dispensing on a screen; the mechanical handis arranged at one side, positioned at the glue dispensing mechanism, of the machine frame and is transmitted on the feeding slide table, the discharging slide table and the glue dispensing mechanism;each of the feeding slide table, the discharging slide table and the glue dispensing mechanism is provided with a tool for fixing the screen; a pressing mechanism used for pressing the screen is arranged at one side of the discharging slide table. The whole work efficiency is high; the stability and the reliability are high; the automation degree is high; the labor and the materials are saved.

The invention belongs to the technical field of machine electricity and particularly relates to a micro cloud deck which comprises a stator supporting module, a rotor module, a sensing module and a control module. The stator supporting module is arranged on the control module. The rotor module is arranged in the stator supporting module. The sensing module is arranged at the front end of the rotormodule and connected with the control module. The sensing module can collect vibrating signals stably. By driving the rotor module to rotate, the influence on the collected signals by vibration of adevice can be reduced. Compared with a traditional could deck in a three-axis type structure, the micro cloud deck has the beneficial effects of being simple in structure, small in size, resistant tofalling and collision and the like.

The invention relates to a metallographic phase corrosion method displaying austenitic stainless steel grain boundary. The method comprises two steps of preparation of corrodent and metallographic phase corrosion. After coarse grinding, fine grinding, polishing, washing and drying, a metallographic specimen has a bright polished surface without a scratch. The corrodent is characterized by being prepared through mixing 50-70ml of nitric acid with concentration of 65%, 1-3g of sodium chloride, 0.1-0.5g of potassium rhodanide, and 30-50ml of distilled water, the polished surface of the metallographic specimen is taken as an anode and is soaked in a corrosive liquid, a titanium plate is taken as a cathode and is corroded through electrifying, then the metallographic specimen is washed and dried. The metallographic phase corrosion method is simple to operate, has good reproducibility, and can clearly display the grain boundaries of large grains, small grains and large and small mixed grains in the austenitic stainless steel.

The invention provides a keyboard with a holder. The keyboard comprises a keyboard body, a leather jacket and the holder, the leather jacket is mounted on the keyboard body, the holder is mounted on the leather jacket, the leather jacket comprises a mounting part and a connecting part, the keyboard body is mounted in the mounting part, the connecting part is connected with the mounting part, the holder is arranged on the connecting part, and comprises a bearing part and a positioning part, the bearing part is mounted on the connecting part, the positioning part is arranged on the bearing part, and comprises a guide rib and two bosses, the two bosses are symmetrically arranged on the guide rib, the middle of the guide rib is provided with a sunken part, a connector is mounted in the sunken part, and comprises a base and a plurality of pins, the pins are mounted on the base, one end of each pin is electrically connected with the keyboard body, the other ends of the pins are used for electrically connecting with a tablet personal computer, a first magnet unit and a second magnet unit are respectively arranged in the guide rib of the positioning part corresponding to the outer sides of the two bosses, each of the first magnet unit and the second magnet unit comprises a plurality of magnets, and the polarities of each two neighboring magnets on the same side are opposite.

The invention relates to a high-precision RV speed reducer comprehensive testing device, which comprises a base, a first sliding platform, a second sliding platform, a first motor, a first torque sensor, a second motor, a second torque sensor, a first angle sensor, an input shaft bracket and an output shaft bracket. Compared with the prior art, the high-precision RV speed reducer comprehensive testing device designs the sliding platform assembly capable of being rapidly disassembled and assembled, so that the assembling and disassembling process of an to-be-tested RV speed reducer is more convenient and faster; the output shaft bracket and the input shaft bracket can be used for adapting to the requirements of sensors with different specifications; the limiting parts of the sliding platforms improve the test precision; the double-measuring-range torque sensors can adapt to measurement of speed reducers of different series models, and can also realize test of transmission precision under light load; an input shaft of the to-be-tested RV speed reducer is installed in two bearing inner rings sharing the same horizontal axis, thereby facilitating the adjustment of a bearing clearance;and the double-reading-head circular grating angle sensors meet the requirement that the transmission precision is tested in a high-speed state.

The invention provides a backlight module and a display device. The backlight module comprises a back plate and a supporting seat, wherein the back plate comprises a bottom plate, a side plate and a lug, and the lug is provided with a first through hole; the supporting seat comprises a chamfer and a supporting plate; the chamfer extends to the interior of the supporting seat from the side face of the supporting plate facing the side plate; a top plate is arranged above the chamfer and provided with a second through hole corresponding to the first through hole; the supporting plate is arranged on the side wall forming the chamfer and parallel to the top plate, and the supporting plate, the top plate and the side wall form an accommodating area and an opening; and the lug is inserted in the accommodating area and combines and fixes the supporting seat and the back plate through a fixing piece, the first through hole and the second through hole. The lug of the back plate of the backlight module is arranged in the accommodating area of the supporting seat and supported by the supporting plate so that the lug is not easy to generate displacement caused by the action of external force during locking and fixing a bolt, and the locking and fixing of the lug with a lamp holder and a frame is not easy to generate a misplacement condition so as to be beneficial to assembling and improving the product yield.

The invention provides a refrigerator and a drawer component thereof. The drawer component comprises a tray, a drawer, sliding ways and sliding rail brackets, wherein the drawer is arranged on the tray; the sliding ways are fixedly arranged; the sliding rail brackets are arranged in the sliding ways, can slide along the sliding ways, and are connected with the tray to drive the tray to slide along the sliding ways in a buckling way; bumps are arranged on one of the tray or the sliding rail brackets, and ribs matched with the bumps are arranged on the other of the sliding rail brackets and the tray; when the tray is connected with the sliding rail brackets in the buckling way, the lower surfaces of the ribs are pressed against the upper surfaces of the bumps to limit the displacement of the tray along the thickness direction.

The present invention relates to a space stacking light beam distributed phase delayer and a speckle elimination method thereof, and relates to the light beam regulation and control dissipated speckle technology. The problems are solved that the structure of the current device of inhibiting laser speckles is large, and the manufacturing cost is high. Polymer micromachining elements or machining transmitting elements are employed, the structure of each polymer micromachining element is an m*n matrix formed by the polymer micromachining element having a certain height difference; the structure of each machining transmitting element is formed by assembling the machining transmitting elements having a certain height difference and having the refractive index being not equal to the air refractive index; the height difference of the polymer micromachining elements or the machining transmitting elements is randomly arranged and satisfies that the optical path difference is larger than or equal to the coherent length LC and the laser coherence is destroyed in the time; and the arrangement of the number of the elements, the length and the arrangement mode is that: a single-beam laser is divided into a plurality of non-coherent illumination light sources, and satisfies that the areas of the non-coherent illumination light sources are larger than or equal to the coherent area AC, and the laser coherence is destroyed in the space.